CN215914587U

CN215914587U - Coil support of nuclear resonance body

Info

Publication number: CN215914587U
Application number: CN202121647953.9U
Authority: CN
Inventors: 廖卫彬
Original assignee: Foshan Maternal and Child Health Care Hospital
Current assignee: Foshan Maternal and Child Health Care Hospital
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-01
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a nuclear resonance body coil bracket, which comprises a body coil tray, a framework and a height adjusting device, wherein the framework is provided with a plurality of supporting rods; the body coil tray includes tray main part and two slide mechanism, two slide mechanism respectively with the front end and the rear end of tray main part are connected, and respectively with skeleton sliding connection can follow the skeleton slides from top to bottom. The body coil tray is used for carrying and fixing the body coil, can avoid the body coil directly to place and make the patient feel uncomfortable on one's body, in addition, the body coil also can not cause image motion artifact along with the fluctuation of patient chest belly, has improved the accuracy of formation of image.

Description

Coil support of nuclear resonance body

Technical Field

The utility model relates to the field of medical instruments, in particular to a nuclear resonance body coil support.

Background

Magnetic Resonance Imaging (MRI) examination has become a common imaging examination modality, wherein abdominal MRI examination has become widely accepted and used clinically, and requires the placement of a body coil on the patient's body for receiving radio frequency signals. However, since the body coil is bulky, the body coil may cause a certain discomfort to a patient with weakness or a patient with a serious illness, thereby increasing the examination risk to a certain extent and possibly inducing claustrophobia. In addition, the body coil covering the body surface of the patient shakes with the rise and fall of the chest and abdomen, inducing image motion artifacts; furthermore, fluctuations in breathing make it difficult to keep the coil in balance with the examination site, and are prone to cause displacement and artifacts.

The body coil needs to cover the inspection part and is fixed by the fixing band in the use process, and the two sides of the body coil are easy to distort and deform, so that the service life of the body coil is greatly reduced. In addition, when the body coil is used, the lead of the connector coil and the driving module are likely to be in direct contact with the skin of a patient, and the risk of burning the skin of the patient due to local overheating of parts in the inspection process exists.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a nuclear resonance body coil support, which aims to solve the technical problems of low success rate of examination and easy damage of the body coil caused by the body coil directly placed on the human body in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a nuclear resonance body coil support comprises a body coil tray, a framework and a height adjusting device; the body coil tray comprises a tray main body and two sliding mechanisms, wherein the two sliding mechanisms are respectively connected with the front end and the rear end of the tray main body, are respectively connected with the framework in a sliding manner, and can slide up and down along the framework; the height adjusting device is fixed on the tray main body and is in transmission connection with one of the sliding mechanisms.

The nuclear resonance body coil support is characterized in that the framework comprises a support rod and two arch frames respectively connected to two ends of the support rod, and the arch frames are provided with guide rail grooves extending along the circumferential direction of the inner surface of the arch frames; and a first rack is arranged in the guide rail groove and is respectively meshed with two ends of the sliding mechanism.

The nuclear resonance body coil support is characterized in that the sliding mechanism comprises a telescopic mechanism and a first gear; the middle part of the telescopic mechanism is fixedly connected with the tray main body; two ends of the first gear are respectively provided with a telescopic rod, and the free end of the telescopic rod is connected with the first gear; the first gear is clamped in the guide rail groove and meshed with the first rack.

The nuclear resonance body coil support is characterized in that the height adjusting device comprises a shell, a knob mechanism, a first transmission mechanism and a second transmission mechanism which are sequentially connected; the shell covers the first transmission mechanism and the second transmission mechanism; the knob mechanism penetrates through the shell and is connected with the first transmission mechanism; one end of the second transmission mechanism is connected with the first gear.

The nuclear resonance body coil support, wherein the knob mechanism comprises a knob and a connecting rod, and the connecting rod passes through the shell; one end of the connecting rod is fixedly connected with the knob, and the other end of the connecting rod is connected with the second transmission mechanism.

The nuclear resonance body coil support, wherein the height adjusting device further comprises a knob lock; the knob lock comprises a fixed shaft and a limiting block, and the fixed shaft is rotatably connected with the limiting block; the limiting block is arranged on the surface of the shell and is positioned above the connecting rod; the fixed shaft is fixedly connected with the shell; a second rack is arranged on the bottom surface of the limiting block and is abutted against the upper part of the connecting rod; the front part of the connecting rod is positioned on the outer side of the shell, a third rack is arranged on the circumferential direction of the connecting rod, and the third rack is matched with the second rack.

The nuclear resonance body coil support, wherein, the upper surface of body coil tray is provided with the magic subsides, the magic subsides are used for fixed body coil.

The nuclear resonance body coil bracket is characterized in that a handle is further arranged on the upper surface of the body coil tray.

The nuclear resonance body coil support, wherein, still include the side shield, the side shield sets up one side of skeleton, with the skeleton joint.

The nuclear resonance body coil support, wherein, the bottom of skeleton still is provided with the silica gel buckle, the silica gel buckle be used for with the skeleton is fixed on the inspection bed.

Has the advantages that:

the utility model provides a nuclear resonance body coil bracket, which comprises a body coil tray, a framework and a height adjusting device, wherein the framework is provided with a plurality of supporting rods; the body coil tray can move up and down along the framework and is suitable for body coils with different apertures. After the body coil tray carries and fixes the body coil, the body coil can be prevented from being directly placed on the body of a patient to cause the patient to feel uncomfortable, and meanwhile, the reduction of the service life of the body coil caused by distortion, deformation and the like is avoided; the body coil can not cause image motion artifacts along with the fluctuation of the chest and abdomen of the patient, and the imaging accuracy is improved.

Drawings

Fig. 1 is a schematic structural diagram of a nuclear resonance body coil support provided by the present invention.

Fig. 2 is a schematic structural view of the skeleton.

Fig. 3 is a schematic view of the connection relationship between the frame and the slide mechanism.

Fig. 4 is an enlarged view of fig. 3 at a.

Fig. 5 is a schematic structural view of the height adjusting device.

Fig. 6 is an enlarged view of fig. 5 at B.

FIG. 7 is a schematic view of the position relationship between the side guards and the frame.

Fig. 8 is a schematic diagram of a position relationship of the silicone buckle.

Description of the main element symbols: 100-body coil tray, 200-framework, 300-height adjusting device, 110-tray body, 120-sliding mechanism, 121-telescopic mechanism, 122-first gear, 130-magic tape, 140-handle, 150-side baffle, 210-guide rail groove, 220-silica gel buckle, 230-supporting rod, 240-arch frame, 310-shell, 320-knob mechanism, 330-first transmission mechanism, 340-second transmission mechanism, 321-knob, 322-connecting rod, 331-annular chain, 332-second gear, 350-knob lock, 351-fixed shaft and 352-limiting block.

Detailed Description

The utility model provides a nuclear resonance body coil support, and in order to make the purpose, technical scheme and effect of the utility model clearer and clearer, the utility model is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, the present invention provides a nuclear resonance body coil support, which includes a body coil tray 100, a frame 200, and a height adjusting device 300; the body coil tray 100 comprises a tray main body 110 and two sliding mechanisms 120, wherein the two sliding mechanisms 120 are respectively connected with the front end and the rear end of the tray main body 110, are respectively connected with the framework 200 in a sliding manner, and can slide up and down along the framework 200; the height adjusting device 300 is fixed on the tray main body 110 and is in transmission connection with one of the sliding mechanisms 120. The body coil bracket is placed on an inspection bed for use, and a coil is embedded in the inspection bed and is matched with the body coil for use. The body coil used for nuclear magnetic resonance detection is placed on the tray main body 110, so that the burden of a patient can be relieved, the coil and a scanning area can be kept relatively parallel, and the imaging accuracy is improved. The body coil tray 100 can move up and down under the control of the height adjusting device 300, and can be suitable for coils with different apertures. Preferably, the body coil tray 100, the frame 200 and the height adjusting device 300 are made of polypropylene resin materials, which have light weight, are easy to be taken off from the examination table, and do not interfere with the nuclear resonance examination. In the using process, a patient firstly lies on the examination bed, then the body coil support is placed, the height of the tray main body 110 is adjusted to be the highest, and the height of the tray main body 110 is gradually reduced after the body coil is placed, so that the height of the body coil is matched with the height of the patient.

Referring to fig. 2, in one embodiment, the framework 200 includes a supporting rod 230 and two arch frames 240 respectively connected to two ends of the supporting rod 230, wherein the two arch frames 240 are provided with guide rail grooves 210 circumferentially extending along inner surfaces thereof; a first rack is arranged in the guide rail groove 210, and the first rack is respectively engaged with two ends of the sliding mechanism 120. In this embodiment, the body coil tray 100 is also in an arch shape with its opening facing downward, and the arch shape enables the body coil to maintain its original shape, and at the same time, enables the body coil to be closer to the examination part of the human body, thereby facilitating the body coil to receive more and stronger magnetic resonance signals.

Further, referring to fig. 3 and 4, the sliding mechanism 120 includes a telescopic mechanism 121 and a first gear 122; the middle part of the telescopic mechanism 121 is fixedly connected with the tray main body 110; two ends of the telescopic rod are respectively provided with a telescopic rod, and the free end of the telescopic rod is connected with the first gear 122; the first gear 122 is clamped in the guide rail groove 210 and meshed with the first rack. When the tray main body 110 moves upwards and the sliding mechanism 120 slides up and down under the driving of the height adjusting device 300, the distance between the guide rail grooves 210 connected to the two ends of the telescopic mechanism 121 is narrowed or increased, and the sliding mechanism 120 can be shortened or extended in the up-and-down sliding process through the arranged telescopic mechanism 121, so that the tray main body 110 is driven to move up and down.

Further, referring to fig. 1, 5 and 6, the height adjusting device 300 includes a housing 310, and a knob mechanism 320, a first transmission mechanism 330 and a second transmission mechanism 340 connected in sequence; the housing 310 covers the first transmission mechanism 330 and the second transmission mechanism 340; the knob mechanism 320 passes through the housing 310 and is connected with the first transmission mechanism 330; one end of the second transmission mechanism 340 is connected to the first gear 122. By rotating the knob mechanism 320, the first transmission mechanism 330 and the second transmission mechanism 340 can be sequentially driven to rotate, and finally the first gear 122 is driven to rotate. Specifically, the first transmission mechanism 330 includes an annular chain 331 and a second gear 332, the annular chain 331 is used for transmission between the knob mechanism 320 and the second gear 332, the second transmission mechanism 340 is a transmission shaft having two ends respectively and fixedly connected with a third gear and a fourth gear, wherein the third gear is engaged with the second gear 332, and the fourth gear is engaged with the first gear 122.

Further, the knob mechanism 320 includes a knob 321 and a connecting rod 322, the connecting rod 322 passes through the housing 310; one end of the connecting rod 322 is fixedly connected with the knob 321, and the other end thereof is connected with the second transmission mechanism 340. The height adjustment device 300 further comprises a knob lock; the knob lock comprises a fixing shaft 351 and a limiting block 352, and the fixing shaft 351 is rotatably connected with the limiting block 352; the stop block 352 is disposed on the surface of the housing 310 above the connecting rod 322; the fixed shaft 351 is fixedly connected with the housing 310; a second rack is arranged on the bottom surface of the limiting block 352, and the second rack is abutted against the upper part of the connecting rod 322; the front part of the connecting rod 322 is located outside the housing 310, and a third rack is circumferentially arranged on the connecting rod and is matched with the second rack. The knob lock fixes the driving wheel, i.e., the first gear 122, by restricting the rotation of the knob 321, thereby preventing the body coil tray 100 from sliding down. After the body coil support is adjusted to a proper height, the limiting block 352 and the clamp can be connected to the connecting rod 322, and the knob 321 can be limited to rotate to fix the position of the body coil support by meshing a third rack arranged on the connecting rod 322 with a second rack on the limiting block 352.

In one embodiment, as shown in fig. 1, the hook and loop fastener 130 is disposed on the upper surface of the body coil tray 100, and the hook and loop fastener 130 is used for fixing the body coil, so as to prevent the body coil from falling off during the movement of the examination table or when the patient collides with the tray main body 110.

In one embodiment, as shown in fig. 1, the upper surface of the body coil tray 100 is further provided with a handle 140 for facilitating the transfer and placement of the body coil support.

Referring to fig. 7, in an embodiment, the coil support of the nuclear resonance body further includes a side baffle 150, and the side baffle 150 is disposed at one side of the frame 200 and is clamped with the frame 200. The side shield 150 is used to isolate the leads and drive module connected to the body coil from the patient and prevent local overheating of components from burning the patient's skin.

Referring to fig. 8, in an embodiment, a silicone clip 220 is further disposed at the bottom of the framework 200, and the silicone clip 220 is used for fixing the framework 200 on an examination bed.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. A nuclear resonance body coil bracket is characterized by comprising a body coil tray, a framework and a height adjusting device; the body coil tray comprises a tray main body and two sliding mechanisms, wherein the two sliding mechanisms are respectively connected with the front end and the rear end of the tray main body, are respectively connected with the framework in a sliding manner, and can slide up and down along the framework; the height adjusting device is fixed on the tray main body and is in transmission connection with one of the sliding mechanisms.

2. The nuclear resonance body coil support according to claim 1, wherein the bobbin includes a support rod and two arch frames respectively connected to both ends of the support rod, the arch frames being provided with guide rail grooves extending circumferentially along inner surfaces thereof; and a first rack is arranged in the guide rail groove and is respectively meshed with two ends of the sliding mechanism.

3. The nuclear resonance body coil support of claim 2, wherein the slide mechanism includes a telescoping mechanism and a first gear; the middle part of the telescopic mechanism is fixedly connected with the tray main body; two ends of the first gear are respectively provided with a telescopic rod, and the free end of the telescopic rod is connected with the first gear; the first gear is clamped in the guide rail groove and meshed with the first rack.

4. The coil support of a nuclear resonance body according to claim 3, wherein the height adjusting means includes a housing and a knob mechanism, a first transmission mechanism and a second transmission mechanism connected in sequence; the shell covers the first transmission mechanism and the second transmission mechanism; the knob mechanism penetrates through the shell and is connected with the first transmission mechanism; one end of the second transmission mechanism is connected with the first gear.

5. The nuclear resonance body coil support of claim 4, wherein the knob mechanism includes a knob and a connecting rod, the connecting rod passing through the enclosure; one end of the connecting rod is fixedly connected with the knob, and the other end of the connecting rod is connected with the second transmission mechanism.

6. The nuclear resonance body coil cradle of claim 5, wherein the height adjustment means further includes a knob lock; the knob lock comprises a fixed shaft and a limiting block, and the fixed shaft is rotatably connected with the limiting block; the limiting block is arranged on the surface of the shell and is positioned above the connecting rod; the fixed shaft is fixedly connected with the shell; a second rack is arranged on the bottom surface of the limiting block and is abutted against the upper part of the connecting rod; the front part of the connecting rod is positioned on the outer side of the shell, a third rack is arranged on the circumferential direction of the connecting rod, and the third rack is matched with the second rack.

7. The nuclear resonance body coil support according to any one of claims 1 to 6, wherein a hook and loop fastener for fixing the body coil is provided on an upper surface of the body coil tray.

8. The nuclear resonance body coil cradle of claim 7, wherein the upper surface of the body coil tray is further provided with a handle.

9. The coil support of a nuclear resonance body according to claim 8, further comprising a side baffle, the side baffle being disposed on one side of the frame and being engaged with the frame.

10. The coil support of nuclear resonance body according to claim 8, wherein the bottom of the frame is further provided with a silicone clip for fixing the frame on the examination table.